conn_handle
    OpenVMS usage:connection_id
    type:         longword (unsigned)
    access:       read only
    mechanism:    by value
    The handle of the requested connection.
 reject_buf
    OpenVMS usage:byte_stream
    type:         character-coded text string
    access:       read only
    mechanism:    by 32-bit or 64-bit reference (Alpha and Integrity
                  servers)
    A buffer of up to 1000 bytes of reject data to be sent to the
    source of the connection at the completion of the rejection
    process.
 reject_buf_len
    OpenVMS usage:buffer_length
    type:         longword (unsigned)
    access:       read only
    mechanism:    by value
    The number of bytes in reject_buf to be sent.
 reason
    OpenVMS usage:cond_code
    type:         longword (unsigned)
    access:       read only
    mechanism:    by value
    User-specified reject reason code to be supplied to the remote
    application.
    Default = SS$_REJECT